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90368793 = 3219995023
BaseRepresentation
bin1010110001011…
…10101100011001
320022001012200100
411120232230121
5141113300133
612544530013
72145056604
oct530565431
9208035610
1090368793
1147013459
1226320909
1315950a78
14c00533b
157e00e13
hex562eb19

90368793 has 12 divisors (see below), whose sum is σ = 130624000. Its totient is φ = 60203736.

The previous prime is 90368791. The next prime is 90368809. The reversal of 90368793 is 39786309.

It is a happy number.

It is not a de Polignac number, because 90368793 - 21 = 90368791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90368791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15480 + ... + 20502.

Almost surely, 290368793 is an apocalyptic number.

It is an amenable number.

90368793 is a deficient number, since it is larger than the sum of its proper divisors (40255207).

90368793 is a wasteful number, since it uses less digits than its factorization.

90368793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028 (or 7025 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 90368793 is about 9506.2502071006. The cubic root of 90368793 is about 448.7517555402.

It can be divided in two parts, 903 and 68793, that added together give a palindrome (69696).

The spelling of 90368793 in words is "ninety million, three hundred sixty-eight thousand, seven hundred ninety-three".

Divisors: 1 3 9 1999 5023 5997 15069 17991 45207 10040977 30122931 90368793